CN112345535A - Cylindrical metal surface defect detection device based on machine vision - Google Patents
Cylindrical metal surface defect detection device based on machine vision Download PDFInfo
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- CN112345535A CN112345535A CN202011199200.6A CN202011199200A CN112345535A CN 112345535 A CN112345535 A CN 112345535A CN 202011199200 A CN202011199200 A CN 202011199200A CN 112345535 A CN112345535 A CN 112345535A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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Abstract
The invention discloses a cylindrical metal surface defect detection device based on machine vision, which comprises a base, wherein a support column is fixedly arranged on the base, a screw rod is rotatably arranged in the support column, a fixed plate is fixedly connected to a screw rod seat of the screw rod, a detection camera is fixedly arranged on one side of the fixed plate, a second groove is formed in the base, a first spring is fixedly arranged in the second groove, one end of the first spring is fixedly connected with a second connecting plate, and a cushion block is fixedly arranged on the second connecting plate, the accuracy of the detection result is improved.
Description
Technical Field
The invention belongs to the technical field of defect detection, and particularly relates to a cylindrical metal surface defect detection device based on machine vision.
Background
The metal surface defect detection device is a machine vision system consisting of a high-speed linear array camera and an image processing system, is widely applied to automatic detection of various metal surfaces, detects surface defects of various metal strips at high speed and high precision on line, is highly automatic, improves the product quality, improves the production efficiency, reduces the labor cost and the defective rate, and is widely applied to industries such as metal manufacturing, processing and the like.
However, when defect detection is performed on a cylindrical metal surface in the prior art, the side surface of the cylinder is a curved surface, so that the side surface of the cylinder is not convenient to detect, the continuity of the detection process is not high, the detection efficiency is reduced, and the detection device can vibrate due to the operation of a machine in the detection process, so that the detection process is influenced, and even the detection result is deviated.
Disclosure of Invention
The invention aims to provide a cylindrical metal surface defect detection device based on machine vision, which is convenient for a detection camera to carry out omnibearing detection on the side surface of cylindrical metal, is convenient for continuously feeding the cylindrical metal to be detected, increases the continuity of a detection process, improves the detection efficiency to a certain extent, lightens the vibration generated during the operation of the device, reduces the influence of the vibration on the detection process to a certain extent, and improves the accuracy of a detection result, so as to solve the problems that the side surface of the cylindrical metal is inconvenient to detect, the continuity of the detection process is not high, the detection efficiency is reduced, and the detection device can vibrate due to the operation of a machine in the detection process to influence the detection process and even cause the deviation of the detection result.
In order to achieve the purpose, the invention adopts the following technical scheme: a cylindrical metal surface defect detection device based on machine vision comprises a base, wherein a support column is fixedly arranged on the base, a lead screw is rotatably arranged in the support column, a fixed plate is fixedly connected to a lead screw seat of the lead screw, a detection camera is fixedly arranged on one side of the fixed plate, a second groove is formed in the base, a first spring is fixedly arranged in the second groove, one end of the first spring is fixedly connected with a second connecting plate, a cushion block is fixedly arranged on the second connecting plate, a rubber ring is integrally formed on the outer wall of the cushion block, a clamping groove is formed in the side wall of the second groove, one side of the rubber ring is clamped and fixed in the clamping groove, a third groove is formed in the cushion block, a base table is arranged on the base, a support leg is fixedly connected to the lower end of the base table, and one end of the support leg is fixedly inserted in the third groove, the bottom of base station has the second motor through motor frame fixed mounting, shaft coupling fixedly connected with pivot is passed through to second motor output shaft one end, the one end of pivot runs through base station fixedly connected with carousel, motor frame fixed mounting has the third motor through the bottom of carousel, third motor output shaft one end runs through carousel fixed mounting and has first connecting plate, fixed mounting has electric putter on the carousel, electric putter piston rod one end fixedly connected with roof, one side of roof is rotated and is installed first gag lever post, the blind hole has been seted up on the first gag lever post, the inside slip grafting second gag lever post of blind hole.
Preferably, a first groove is formed in one side of the supporting column, a first motor is fixedly mounted on the supporting column, one end of an output shaft of the first motor is fixedly connected to one end of the screw rod through a coupler, and the screw rod is rotatably mounted inside the first groove through a bearing.
Preferably, a sliding groove is formed in one side of the first groove, a sliding block is fixedly connected to one side of the screw rod seat, and the sliding block is slidably mounted inside the sliding groove.
Preferably, the clamping grooves are annular clamping grooves, the clamping grooves are provided with two groups, and the rubber rings and the clamping grooves are correspondingly arranged.
Preferably, the first connecting plates are arranged as circular connecting plates, and the annular array of the first connecting plates is provided with at least six groups.
Preferably, a second spring is fixedly mounted inside the blind hole, a third connecting plate is fixedly connected to one end of the second spring, and one end of the second limiting rod is fixedly mounted on the third connecting plate.
Preferably, a bearing is fixedly installed on one side of the top plate, and one end of the first limiting rod is fixedly inserted into an inner ring of the bearing.
Preferably, one end of the second limiting rod is fixedly connected with a rubber pad, and the rubber pad and the first connecting plate are arranged in an aligned mode.
The invention has the technical effects and advantages that: compared with the prior art, the cylindrical metal surface defect detection device based on machine vision provided by the invention has the following advantages:
1. according to the invention, through the design of the second motor, the third motor, the rotary disc and the first connecting plate, the second motor drives the rotary disc to rotate through the rotary shaft, the rotary disc drives the cylindrical metal to be detected to move, when the cylindrical metal is aligned with the detection camera, the first motor drives the detection camera to move up and down through the lead screw, the side surface of the cylindrical metal is detected from top to bottom, the third motor drives the first connecting plate to rotate, the first connecting plate drives the cylindrical metal to be detected to rotate, after the detection of a group of cylindrical metals to be detected is finished, the second motor drives the next group of cylindrical metals to be detected to move to the position to be detected and detect the cylindrical metals, the detection camera can conveniently carry out omnibearing detection on the side surface of the cylindrical metal to be detected, the continuous feeding of the cylindrical metal to be detected is convenient, the continuity of the detection process;
2. according to the invention, through the design of the cushion block, the rubber ring and the first spring, when the device generates vibration in the operation process, the support leg displaces, the support leg downwards extrudes the cushion block, the cushion block is a cylindrical cushion block made of silicon rubber, the cushion block drives the rubber ring to bend, the rubber ring unloads part of downward force, the cushion block downwards moves to extrude the first spring, the first spring is compressed and deformed, the cushion block and the second connecting plate convert the pressure of the cushion block and the second connecting plate into elastic force, the vibration generated in the operation process of the device is reduced, the influence of the vibration on the detection process is reduced to a certain extent, and the accuracy of the detection result is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the turntable and the first link plate of the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 4 is a schematic structural view of a first stop lever, a second spring and a blind hole according to the present invention;
fig. 5 is a schematic structural view of the spacer, the third groove and the rubber ring of the present invention.
In the figure: 1. a base; 2. a support pillar; 3. a first motor; 4. a first groove; 5. a screw rod; 6. a fixing plate; 7. detecting a camera; 8. a chute; 9. a rubber ring; 10. a base station; 11. a support leg; 12. a second motor; 13. a rotating shaft; 14. a turntable; 15. a third motor; 16. a first connecting plate; 17. an electric push rod; 18. a top plate; 19. a first limit rod; 20. a second limiting rod; 21. a rubber pad; 22. a second groove; 23. a first spring; 24. a card slot; 25. a second connecting plate; 26. cushion blocks; 27. a third groove; 28. blind holes; 29. a second spring; 30. a third connecting plate; 31. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a cylindrical metal surface defect detection device based on machine vision, which comprises a base 1, wherein a support column 2 is fixedly arranged on the base 1, a screw rod 5 is rotatably arranged in the support column 2, a first groove 4 is formed in one side of the support column 2, a first motor 3 is fixedly arranged on the support column 2, the first motor 3 is set to be a forward and reverse rotating motor, one end of an output shaft of the first motor 3 is fixedly connected to one end of the screw rod 5 through a coupler, the first motor 3 drives the screw rod 5 to rotate forward or reverse, and the screw rod 5 is rotatably arranged in the first groove 4 through a bearing;
a sliding groove 8 is formed in one side of the first groove 4, a sliding block 31 is fixedly connected to one side of a screw rod seat of the screw rod 5, the sliding block 31 and the sliding groove 8 are arranged correspondingly, the sliding block 31 is slidably mounted inside the sliding groove 8, a fixing plate 6 is fixedly connected to the screw rod seat of the screw rod 5, the screw rod 5 drives the fixing plate 6 to move, a detection camera 7 is fixedly mounted on one side of the fixing plate 6, the fixing plate 6 drives the detection camera 7 to move, and the moving distance of the detection camera 7 is not smaller than the height of the cylindrical metal to be detected;
the base 1 is provided with the second grooves 22, the second grooves 22 are provided with four groups in an array, the inside of the second grooves 22 is fixedly provided with the first springs 23, the first springs 23 are at least provided with three groups, the stress of the three groups of the first springs 23 is equal, one end of each first spring 23 is fixedly connected with the second connecting plate 25, the second connecting plate 25 is fixedly provided with the cushion block 26, and the cushion block 26 is a cylindrical cushion block made of silicon rubber;
the rubber ring 9 is integrally formed on the outer wall of the cushion block 26, the side wall of the second groove 22 is provided with clamping grooves 24, the clamping grooves 24 are arranged to be annular clamping grooves, two groups of clamping grooves 24 are arranged, the rubber ring 9 and the clamping grooves 24 are correspondingly arranged, one side of the rubber ring 9 is clamped and fixed in the clamping grooves 24, when the supporting leg 11 moves due to vibration of the device, the supporting leg 11 downwards extrudes the cushion block 26, the cushion block 26 deforms and moves downwards, the cushion block 26 drives the rubber ring 9 to bend, the cushion block 26 is provided with a third groove 27, the base 1 is provided with the base station 10, the lower end of the base station 10 is fixedly connected with the supporting leg 11, and one end of the supporting leg 11 is fixedly inserted;
a second motor 12 is fixedly arranged at the bottom of the base station 10 through a motor frame, the second motor 12 is set as a stepping motor, one end of an output shaft of the second motor 12 is fixedly connected with a rotating shaft 13 through a coupler, the second motor 12 drives the rotating shaft 13 to rotate, one end of the rotating shaft 13 penetrates through a rotating disc 14 fixedly connected with the base station 10, the rotating shaft 13 drives the rotating disc 14 to rotate, a third motor 15 is fixedly arranged at the bottom of the rotating disc 14 through a motor frame, six groups of third motors 15 are arranged on the third motor 15, the third motor 15 is set as a servo motor, one end of an output shaft of the third motor 15 penetrates through the rotating disc 14 and is fixedly connected with a first connecting plate 16, the third motor 15 drives the first connecting plate 16 to rotate, the first connecting plate 16 is set as a circular connecting plate, the metal to be detected can be;
an electric push rod 17 is fixedly installed on the rotary table 14, the rotary table 14 rotates to drive the electric push rod 17 to rotate, one end of a piston rod of the electric push rod 17 is fixedly connected with a top plate 18, the electric push rod 17 drives the top plate 18 to move up and down, a first limiting rod 19 is rotatably installed on one side of the top plate 18 to limit the cylindrical metal to be detected, the top plate 18 drives the first limiting rod 19 to move up and down, a bearing is fixedly installed on one side of the top plate 18, and one end of the first limiting rod 19 is fixedly inserted into an inner ring of the;
a blind hole 28 is formed in the first limiting rod 19, a second limiting rod 20 is inserted in the blind hole 28 in a sliding and inserting mode to perform overload protection on the first limiting rod 19, one end of the second limiting rod 20 is fixedly connected with a rubber pad 21, one side of the rubber pad 21 is attached to the upper end of a cylindrical metal to be detected, the rubber pad 21 and the first connecting plate 16 are arranged in an aligned mode so as to limit the cylindrical metal to be detected, a second spring 29 is fixedly installed in the blind hole 28, at least two groups of second springs 29 are arranged, one end of each second spring 29 is fixedly connected with a third connecting plate 30, one end of each second limiting rod 20 is fixedly installed on the corresponding third connecting plate 30, the side portion of each third connecting plate 30 is arranged on the inner wall of the blind hole 28 in a sliding mode, and the second;
the working principle is as follows: when the device is used, the electric push rod 17 is started, the electric push rod 17 drives the top plate 18 to move upwards, the top plate 18 drives the first limiting rod 19 and the second limiting rod 20 to move upwards and drives the rubber pad 21 to move upwards, the distance between the first connecting plate 16 and the rubber pad 21 is increased, at least six groups of cylindrical metals to be detected are placed on the first connecting plate 16, the electric push rod 17 is started again, one end of a piston rod of the electric push rod 17 drives the top plate 18 to move downwards, the top plate 18 drives the rubber pad 21 to move downwards through the first limiting rod 19 and the second limiting rod 20, the bottom of the rubber pad 21 is tightly attached to the upper end of the cylindrical metals to be detected, the cylindrical metals to be detected are limited, the second motor 12 is started, the second motor 12 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the rotating disc 14 to rotate, the rotating disc 14 drives the cylindrical metals to be detected to move, when one group of, the first motor 3 and the third motor 15 are started simultaneously, the first motor 3 drives the screw rod 5 to rotate, the screw rod 5 drives the fixing plate 6 to move up and down, the fixing plate 6 drives the detection camera 7 to move up and down, the side surface of the cylindrical metal is detected from top to bottom, the third motor 15 drives the first connecting plate 16 to rotate, the first connecting plate 16 drives the cylindrical metal to be detected to rotate, the detection camera 7 can conveniently detect the side surface of the cylindrical metal in all directions, after the detection of a group of cylindrical metals to be detected is finished, the second motor 12 is started again, the second motor 12 drives the next group of cylindrical metals to be detected to move to the position to be detected through the rotating shaft 13, the rotating disc 14 and the first connecting plate 16, and the detection is carried out, the continuous feeding is convenient, the detection continuity is increased;
when the electric push rod 17 drives the rubber pad 21 to move downwards to limit the metal to be detected, if the pressure on the cylindrical metal is too high due to improper operation of workers or machine faults, the second limiting rod 20 moves upwards to extrude the second spring 29, the second spring 29 is compressed and deforms, the pressure on the cylindrical metal can be converted into elastic force, the pressure on the cylindrical metal is reduced, the cylindrical metal is prevented from being crushed to a certain extent, even the whole device is prevented from being crushed, and the service life of the device is relatively prolonged;
this device can produce vibrations when the function, it takes place the displacement to drive landing leg 11, landing leg 11 pushes down cushion 26, cushion 26 sets up the cylindrical cushion for the silicon rubber material, because the silicon rubber texture is softer and have elasticity and take place the characteristic of deformation, can alleviate the vibrations of device, cushion 26 takes place deformation and moves down, cushion 26 drives rubber ring 9 and buckles, rubber ring 9 unloads partial decurrent power, landing leg 11 decurrent power has been alleviateed, thereby alleviate vibrations, form the extrusion to first spring 23 when cushion 26 moves down, first spring 23 is by compressive deformation, turn into elasticity with cushion 26 and second connecting plate 25 to its pressure, further alleviateed the vibrations of this device.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a cylinder metal surface defect detection device based on machine vision, includes base (1), its characterized in that: the detection device is characterized in that a support column (2) is fixedly installed on the base (1), a lead screw (5) is rotatably installed inside the support column (2), a fixing plate (6) is fixedly connected to a lead screw seat of the lead screw (5), a detection camera (7) is fixedly installed on one side of the fixing plate (6), a second groove (22) is formed in the base (1), a first spring (23) is fixedly installed inside the second groove (22), a second connecting plate (25) is fixedly connected to one end of the first spring (23), a cushion block (26) is fixedly installed on the second connecting plate (25), a rubber ring (9) is integrally formed on the outer wall of the cushion block (26), a clamping groove (24) is formed in the side wall of the second groove (22), one side of the rubber ring (9) is clamped and fixed inside the clamping groove (24), and a third groove (27) is formed in the cushion block (26), the base (1) is provided with a base platform (10), the lower end of the base platform (10) is fixedly connected with a supporting leg (11), one end of the supporting leg (11) is fixedly inserted into the third groove (27), the bottom of the base platform (10) is fixedly provided with a second motor (12) through a motor frame, one end of an output shaft of the second motor (12) is fixedly connected with a rotating shaft (13) through a coupler, one end of the rotating shaft (13) penetrates through the base platform (10) and is fixedly connected with a rotating disc (14), the bottom of the rotating disc (14) is fixedly provided with a third motor (15) through the motor frame, one end of an output shaft of the third motor (15) penetrates through the rotating disc (14) and is fixedly provided with a first connecting plate (16), an electric push rod (17) is fixedly arranged on the rotating disc (14), one end of a piston rod of the, one side of the top plate (18) is rotatably provided with a first limiting rod (19), a blind hole (28) is formed in the first limiting rod (19), and a second limiting rod (20) is inserted in the blind hole (28) in a sliding mode.
2. The cylindrical metal surface defect detection device based on machine vision of claim 1, characterized in that: first recess (4) have been seted up to one side of support column (2), fixed mounting has first motor (3) on support column (2), shaft coupling fixed connection is passed through in the one end of lead screw (5) in first motor (3) output shaft one end, lead screw (5) are rotated through the bearing and are installed in the inside of first recess (4).
3. The cylindrical metal surface defect detection device based on machine vision of claim 2, characterized in that: one side of the first groove (4) is provided with a sliding groove (8), one side of the screw rod seat of the screw rod (5) is fixedly connected with a sliding block (31), and the sliding block (31) is slidably arranged in the sliding groove (8).
4. The cylindrical metal surface defect detection device based on machine vision of claim 1, characterized in that: the clamping grooves (24) are annular clamping grooves, the clamping grooves (24) are two groups, and the rubber rings (9) and the clamping grooves (24) are correspondingly arranged.
5. The cylindrical metal surface defect detection device based on machine vision of claim 1, characterized in that: the first connecting plates (16) are arranged into circular connecting plates, and at least six groups of the first connecting plates (16) are arranged in an annular array.
6. The cylindrical metal surface defect detection device based on machine vision of claim 1, characterized in that: the inner portion of the blind hole (28) is fixedly provided with a second spring (29), one end of the second spring (29) is fixedly connected with a third connecting plate (30), and one end of the second limiting rod (20) is fixedly arranged on the third connecting plate (30).
7. The cylindrical metal surface defect detection device based on machine vision of claim 1, characterized in that: and a bearing is fixedly installed on one side of the top plate (18), and one end of the first limiting rod (19) is fixedly inserted into an inner ring of the bearing.
8. The cylindrical metal surface defect detection device based on machine vision of claim 1, characterized in that: one end of the second limiting rod (20) is fixedly connected with a rubber pad (21), and the rubber pad (21) and the first connecting plate (16) are arranged in an aligned mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011199200.6A CN112345535A (en) | 2020-11-01 | 2020-11-01 | Cylindrical metal surface defect detection device based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011199200.6A CN112345535A (en) | 2020-11-01 | 2020-11-01 | Cylindrical metal surface defect detection device based on machine vision |
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| Publication Number | Publication Date |
|---|---|
| CN112345535A true CN112345535A (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011199200.6A Withdrawn CN112345535A (en) | 2020-11-01 | 2020-11-01 | Cylindrical metal surface defect detection device based on machine vision |
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| CN (1) | CN112345535A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589077A (en) * | 2021-07-28 | 2021-11-02 | 苏州工业园区爱特福自动化设备有限公司 | Performance testing device and method for steam-electric component production |
-
2020
- 2020-11-01 CN CN202011199200.6A patent/CN112345535A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589077A (en) * | 2021-07-28 | 2021-11-02 | 苏州工业园区爱特福自动化设备有限公司 | Performance testing device and method for steam-electric component production |
| CN113589077B (en) * | 2021-07-28 | 2024-04-26 | 苏州艾特福电气科技有限公司 | Performance test device and method for production of steam-electric component |
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Application publication date: 20210209 |
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